Dimitrov, G. Obstacles to the Implementation of a System Ensuring the Quality of Education in Schools of Higher Education. Д. Митрополия: ВВВУ Г. Бенковски, 2002 с. 457 - 462, ISBN 954-713-056-0 (т.1).
Dimitrov, G. Obstacles to the Implementation of a System Ensuring the Quality of Education in Schools of Higher Education. Д. Митрополия: ВВВУ Г. Бенковски, 2002 с. 457 - 462, ISBN 954-713-056-0 (т.1).
Dimitrov, G. (2002) Obstacles to the Implementation of a System Ensuring the Quality of Education in Schools of Higher Education, Д. Митрополия: ВВВУ Г. Бенковски с. 457 - 462, ISBN 954-713-056-0 (т.1).
Dimitrov, G. (2002). Obstacles to the Implementation of a System Ensuring the Quality of Education in Schools of Higher Education. Д. Митрополия: ВВВУ Г. Бенковски, с. 457 - 462.
Dimitrov G. Obstacles to the Implementation of a System Ensuring the Quality of Education in Schools of Higher Education. Д. Митрополия: ВВВУ Г. Бенковски; 2002. p. с. 457 - 462. ISBN: ISBN 954-713-056-0 (т.1).
